commit e63e59cc44ea513d1df05141c53b9b9241e1f815
author Nadav Rotem <nadav.rotem@intel.com> Mon Mar 26 20:39:18 2012 +0000
committer Nadav Rotem <nadav.rotem@intel.com> Mon Mar 26 20:39:18 2012 +0000
tree 4cb14eb7bb8f6652eb537c45bf636270695dd1ce
parent 6da64f39d44161636d2aa9f8512f74324cd69110

PR12357: The pointer was used before it was checked.

llvm-svn: 153465

llvm/lib/Transforms/InstCombine/InstructionCombining.cpp

diff --git a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
index 349ba83..8802ba4 100644
--- a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
@@ -915,11 +915,13 @@
 
   // Handle gep(bitcast x) and gep(gep x, 0, 0, 0).
   Value *StrippedPtr = PtrOp->stripPointerCasts();
-  PointerType *StrippedPtrTy = dyn_cast<PointerType>(StrippedPtr->getType());
+
   // We do not handle pointer-vector geps here
   if (!StrippedPtr)
     return 0;
 
+  PointerType *StrippedPtrTy = dyn_cast<PointerType>(StrippedPtr->getType());
+
   if (StrippedPtr != PtrOp &&
     StrippedPtrTy->getAddressSpace() == GEP.getPointerAddressSpace()) {